Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 192, NWS Birmingham, AL

March 29, 1997Cullman County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 29, 1997, 12:13 AM CST for Cullman County, Alabama. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 29, 1997, 12:13 AM CST (06:13 UTC)
Expired: Mar 29, 1997, 12:45 AM CST
In force: 32 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Cullman County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 6.2 hours before the alert went out and 106 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1329 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 1429 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 141 m²/s²
0-3 km storm-relative helicity: 275 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 8.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

455 
WUUS1 KBHM 290613 RRA
SVRBHM
ALC043-290645-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1213 AM CST SAT MAR 29 1997

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHERN ALABAMA

   ...CULLMAN
 
AT 1211 AM CST...A SEVERE THUNDERSTORM WAS INDICATED BY WEATHER
RADAR 3 MILES NORTHWEST OF WILBURN MOVING EAST AT 45 MPH.

SOME LOCATIONS IN THE PATH OF THIS STORM ARE...
BREMEN                      AROUND 1217 AM CST
TRIMBLE                     AROUND 1220 AM CST
GOOD HOPE                   AROUND 1227 AM CST
HANCEVILLE                  AROUND 1233 AM CST
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 28, 8:56 PM CST	Severe Thunderstorm Warning	BMX	Lauderdale	64 min
Mar 28, 10:32 PM CST	Severe Thunderstorm Warning	BMX	Lawrence	58 min
Mar 28, 10:47 PM CST	Severe Thunderstorm Warning	BMX	Morgan	58 min
Mar 29, 12:20 AM CST	Severe Thunderstorm Warning	BMX	Walker	50 min
Mar 29, 12:25 AM CST	Severe Thunderstorm Warning	BMX	Blount	65 min
Mar 29, 12:39 AM CST	Severe Thunderstorm Warning	BMX	DeKalb	66 min
Mar 29, 1:04 AM CST	Severe Thunderstorm Warning	BMX	St. Clair	31 min
Mar 29, 1:10 AM CST	Severe Thunderstorm Warning	BMX	Etowah	65 min
Mar 29, 1:23 AM CST	Severe Thunderstorm Warning	BMX	Calhoun	62 min
Mar 29, 1:30 AM CST	Severe Thunderstorm Warning	BMX	Cherokee	35 min
Mar 29, 2:00 AM CST	Severe Thunderstorm Warning	BMX	St. Clair	20 min
Mar 29, 2:45 AM CST	Severe Thunderstorm Warning	BMX	Calhoun	30 min
Mar 29, 2:51 AM CST	Severe Thunderstorm Warning	BMX	Cleburne	64 min
Mar 29, 5:11 PM CST	Severe Thunderstorm Warning	BMX	Russell	49 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1997 Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.